NAME

SYNOPSIS

DESCRIPTION

The
isspace()
function tests whether
c
is a character of class
space
in the program's current locale, see
the XBD specification, Locale.

In all cases
c
is an
int,
the value of which must be a character representable as an
unsigned char
or must equal the value of the macro EOF.
If the argument has any other value, the behaviour is undefined.

RETURN VALUE

The
isspace()
function returns non-zero if
c
is a white-space character; otherwise it returns 0.

ERRORS

No errors are defined.

EXAMPLES

None.

APPLICATION USAGE

To ensure applications portability,
especially across natural languages,
only this function and those listed in the SEE ALSO section
should be used for character classification.